Heat Transfer

Front

What happens when Acetone is poured on your palm?

Back

The particles gain energy from the Palm or Surroundings and evaporate

Front

Humidity

Back

Amount of water vapour present in air

Front

Rate of evaporation increases as?

• exposed surface area of liquid increases
• exposed surface area of liquid decreases
• movement of air above surface of liquid decreases
• atmospheric pressure increases

Back

exposed surface area of liquid increases

Front

Evaporation occurs only _____

Back

at surface of a liquid

Front

What is a measure of the average kinetic energy of the particles in a material?

Back

temperature

Front

The liquid in a thermometer ______________ as the temperature increases.

Back

expands

Front

An increase in the volume of a substance when the temperature increases is called ___________________________________.

Back

thermal expansion

Front

No more energy can be removed from matter at:

its freezing point

,

0°C

,

absolute zero

,

273 K

Back

absolute zero

Front

What happens to the volumes of liquid metal and solid metal when heated at constant pressure?

Back

C

Front

What happens to the molecules of a solid when it is heated?

Back

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